反应条件
1: 88 percent / BF3*OEt2 / CH2Cl2 / 8 h / -80 °C 2: 60 percent / Et3N, 4-(N,N-dimethylamino)pyridine / CH2Cl2 / 4 h / Ambient temperature 3: pyridine / 3 h / Ambient temperature 4: dicyclohexane-crown-6, KMnO4 / CH2Cl2 / 1) 15 deg C, 3 h, 2) room temp., 3 h 5: pyridine / 5 h / Ambient temperature View Scheme
参考文献
Casiraghi, Giovanni; Colombo, Lino; Rassu, Gloria; Spanu, Pietro
Journal of Organic Chemistry, 1991 , vol. 56, # 23 p. 6523 - 6527